"dead" pc? Or is it?

Overlag

Overlag

Overlag

Soldato
Joined
18 Oct 2002
Posts
11,038
Location
Romford/Hornchurch, Essex
Specs
Asus p7p55d
I5 2.8ghz
4gig corsair
Nvidia 8800gtx (5years old)
620 enermax liberty PSU (5years old)

Possible fault either motherboard or PSU.

1: Pc will not switch on with switch or by shorting the pwr switch pins on the mb (ruling out the switch itself).
2: the sb_pwr light on the motherboard takes ages to come on when first switching PSU on.
3: once that sb_pwr light is on, if I short atx pins 14 to 15, the PSU will start and most of the time the board will start too. Once into windows the system is 100% stable.

Any ideas?




Posted from iPad so sorry if autocorrect has failed me.
 
Doomedspeed, No spare psu that can run a modern intel setup.

Boonmonkey, to rule out the on switch failing on the case, I unplugged it from the motherboard and tried shorting the pins to turn it on. Old trick. Psu will run the whole pc once I got it switched on (point 3).



I'm thinking the motherboard is dying
 
I've got the same problem on my PC, initially thought it was the PSU, bought a new PSU but still doesn't boot, no activity at all.

Tried the paperclip trick with the power switch but that doesn't work, tried it on the ATX connector and it does boot OK. Problem is if I remove the paperclip it switches off (guessing that's normal).

Overlag are you running your PC with the paperclip connected or have you bought a new motherboard?

Mine's an old 1156 ga-p55m-ud2 so hard to find these days, not really wanting to upgrade everything at the minute.
 
I bodged it by pulling a ground wire out of a floppy connector, opening it up just enough to slide in around the green atx cable so it makes a connection. Now the only way to turn the pc on or off is the switch on the back of PSU as its always wired in to be forced on. However my PSU doesn't switch on straight away which is odd.

I got the same problem having to source a p7p55d-e. :(
 
Might have to resort to that for the time being, wasn't sure if it would cause any problems left in. I was getting a load of paging errors on one of my drives which is why I switched it off to start with, try to fix one problem and something else goes..

Good luck finding your board :)
 
I got lucky, my bro in law won a I5 and Motherboard at the lan event this weekend and i think ill be having his old one off him.
 
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